Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.871 5.524/6.485 6.039 ± 0.6106
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.77 5.171/6.558 5.887 ± 0.6777
ea06 1342 1342/1342 1342 ± 0 6.159 5.367/6.365 5.975 ± 0.5915
ea07 1342 1342/1342 1342 ± 0 6.068 5.307/6.357 5.974 ± 0.6512
ea08 1342 1342/1342 1342 ± 0.00003006 5.869 5.578/6.571 6.113 ± 0.6496
ea09 1342 1342/1342 1342 ± 0.00001465 5.694 5.234/6.578 5.864 ± 0.6945
ea10 1342 1342/1342 1342 ± 0 6.085 5.31/6.636 6.023 ± 0.6455
ea11 1342 1342/1342 1342 ± 0 6.005 5.286/6.515 5.998 ± 0.6752
ea12 1342 1342/1342 1342 ± 0 6.07 5.394/6.523 6.044 ± 0.6534
ea13 1342 1342/1342 1342 ± 0.00002338 5.716 5.62/6.287 5.999 ± 0.5035
ea14 1342 1342/1342 1342 ± 0 6.288 5.513/6.8 6.241 ± 0.7447
ea15 1342 1342/1342 1342 ± 0 5.56 4.954/5.936 5.485 ± 0.618
ea16 1342 1342/1342 1342 ± 0 6.301 5.547/6.738 6.287 ± 0.7627
ea17 1342 1342/1342 1342 ± 0 6.446 5.741/7.208 6.49 ± 0.7424
ea18 1342 1342/1342 1342 ± 0 4.984 4.586/5.424 5.028 ± 0.535
ea19 1342 1342/1342 1342 ± 0 6.51 5.66/6.923 6.405 ± 0.6851
ea20 1342 1342/1342 1342 ± 0.00002284 6.009 5.578/6.783 6.095 ± 0.6532
ea21 1342 1342/1342 1342 ± 0 6.096 5.431/6.494 6.042 ± 0.6384
ea22 1342 1342/1342 1342 ± 0 6.176 5.316/6.561 5.988 ± 0.7231
ea23 1342 1342/1342 1342 ± 0 5.912 5.493/6.619 6.128 ± 0.6994
ea24 1342 1342/1342 1342 ± 0 5.449 4.936/6.132 5.49 ± 0.6075
ea26 1342 1342/1342 1342 ± 0.0000031 5.915 5.517/6.91 6.153 ± 0.7043
ea27 1342 1342/1342 1342 ± 0 5.88 5.435/6.826 6.06 ± 0.7298
ea28 1342 1342/1342 1342 ± 0.00001626 6.044 5.625/6.816 6.26 ± 0.7366
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002439 5.408 5.306/5.581 5.391 ± 0.272
4 1342 1342/1342 1342 ± 0.00002872 5.176 4.878/5.238 5.065 ± 0.3406
5 1342 1342/1342 1342 ± 0.00002439 5.397 5.176/5.517 5.331 ± 0.3105
6 1342 1342/1342 1342 ± 0.00002439 5.375 5.202/5.519 5.324 ± 0.2591
7 1342 1342/1342 1342 ± 0.00002439 5.432 5.308/5.593 5.402 ± 0.2655
8 1342 1342/1342 1342 ± 0.00002439 5.348 5.225/5.618 5.354 ± 0.3051
9 1342 1342/1342 1342 ± 0.00002439 5.741 5.539/5.867 5.66 ± 0.306
10 1342 1342/1342 1342 ± 0.00002439 6.225 6.1/6.3 6.121 ± 0.3232
11 1342 1342/1342 1342 ± 0.00002439 6.404 6.248/6.577 6.361 ± 0.3242
12 1342 1342/1342 1342 ± 0.00002439 6.551 6.292/6.75 6.513 ± 0.3631
13 1342 1342/1342 1342 ± 0.00002439 6.963 6.806/7.207 6.952 ± 0.3861
14 1342 1342/1342 1342 ± 0.00002439 7.226 7.05/7.43 7.159 ± 0.3849
15 1342 1342/1342 1342 ± 0.00002439 6.874 6.709/7.175 6.853 ± 0.3756
16 1342 1342/1342 1342 ± 0.00002439 6.163 5.923/6.328 6.161 ± 0.3863
17 1342 1342/1342 1342 ± 0.00004302 6.058 5.753/6.341 6.07 ± 0.4261
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
overwrite_modelcol
False
Start time
2025-04-18 15:26:39.538
End
2025-04-18 16:12:54.343
Duration
0:46:14.806
Note, WebLog generation is not included in the time.

CASA logs for stage 8